Cranial implant



FIG. 1 is a top perspective view of a cranial implant with a drain port;

FIG. 2 is a top view of the cranial implant;

FIG. 3 is a bottom view of the cranial implant;

FIG. 4 is a right side view of the cranial implant;

FIG. 5 is a left side view of cross-section 5-5 in FIG. 2;

FIG. 6 is a left side view of the cranial implant;

FIG. 7 is a front view of the cranial implant; and,

FIG. 8 is a back view of the cranial implant.

Broken lines shown in the drawings of a cranial implant illustrate the environment of the claimed design and form no part of the claimed design. 

CLAIM The ornamental design for a cranial implant, as shown and described. 